package com.maozai.maozaimall.product.exception;

import com.maozai.common.exception.BizCodeEnume;
import com.maozai.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.atguigu.gulimall.product")
@RestControllerAdvice
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{}, 异常类型{}",e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> map = new LinkedHashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError -> {
            map.put(fieldError.getField(), fieldError.getDefaultMessage());
        }));
        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(), BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Exception e) {
        System.out.println(e.getMessage());
        return R.error(BizCodeEnume.UNKONOW_EXCEOTION.getCode(), BizCodeEnume.UNKONOW_EXCEOTION.getMsg());
    }

}
